6V 2.8AH Sealed Lead Acid (SLA) Battery - T1 Terminals - for ZB-6-2.8 Free Shipping 1-3 day delivery if ordered before 3pm EST 2.60 in (length) x 1.30 in (width) x 3.82 in (height), 2.00 lbs 18-Month Warranty, 60-Day Money Back Guarantee Sealed AGM design makes batteries leak free. 6V 2.8AH Sealed Lead Acid Battery with T1 Terminals